Indicators of organic metamorphism provide valuable tools for analyzing the thermal history of tectonostratigraphic terranes. Paleotemperature estimates derived from vitrinite reflectance, for example, are more precise than values based upon inorganic mineral assemblages in low‐grade rocks. Isothermal geometries must be interpreted within the context of structural and stratigraphic data, but, by doing so, direct comparisons of thermal history can be made between adjacent terranes. Data from the Franciscan Complex of California show that three basic types of thermal anomalies are related to terrane amalgamation: (1) maturity inversion across terrane boundaries, (2) shear heating along terrane boundaries, and (3) resetting of maturity gradients via thrust loading. In addition, thermal overprints result if there is a substantial rise in local or regional geothermal gradient following terrane amalgamation; under these circumstances, homogenization of thermal maturity may be evident across terrane boundaries. If associated magmatic rocks or hydrothermal veins can be dated, an upper limit is established on the suturing event. Thermal data are also useful for resolving structural ambiguities on a local scale; clear distinctions can be made, for example, between faulted contacts, diapirs, and mildly tectonized depositional contacts or unconformities.
The upper 10 to 15 km of crystalline crust in the 100-km-wide Colorado River extensional corridor of mid-Tertiary age underwent extension along an imbricate system of gently dipping normal faults. Detachment faults cut gently down-section eastward in the direction of tectonic transport from a headwall breakaway, best expressed in the Old Woman Mountains, California. Successively higher and more distal allochthons are displaced farther from the headwall, some as much as tens of kilometres. The basal fault(s) cut initially to depths of 10 to 15 km, the palaeothickness of a tilted allochthonous slab of basement rocks above the Chemehuevi-Whipple Mountains detachment fault(s). Hanging wall blocks tilt consistently toward the headwall as shown by dips of capping Tertiary strata and of originally horizontal Proterozoic diabase dykes. Block tilts and the degree of extension increase northeastward across much of the corridor. The faults are interpreted as rooting under the unbroken Hualapai Mountains and Colorado Plateau on the down-dip side of the corridor in Arizona. Slip on faults at all exposed levels of the crust was unidirectional, and totals an estimated 50 km. These data and inferences support the concept that the crust in California moved out from under Arizona along a rooted, normal-slip shear system. Brittle thinning above the sole faults affected the entire upper crust, and in places wholly removed it along the central part of the corridor. Upwarp exposed metamorphic core complexes in footwall domes.
","language":"English","publisher":"Geological Society of London","doi":"10.1144/GSL.SP.1987.028.01.19","usgsCitation":"Howard, K.A., and John, B., 1987, Crustal extension along a rooted system of imbricate low-angle faults: Colorado River extensional corridor, California and Arizona: Geological Society Special Publication, v. 28, p. 299-311, https://doi.org/10.1144/GSL.SP.1987.028.01.19.","productDescription":"13 p.","startPage":"299","endPage":"311","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":355853,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"28","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5c1134eae4b034bf6a8276f9","contributors":{"authors":[{"text":"Howard, Keith A. 0000-0002-6462-2947 khoward@usgs.gov","orcid":"https://orcid.org/0000-0002-6462-2947","contributorId":3439,"corporation":false,"usgs":true,"family":"Howard","given":"Keith","email":"khoward@usgs.gov","middleInitial":"A.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":740587,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"John, B.E.","contributorId":190690,"corporation":false,"usgs":false,"family":"John","given":"B.E.","email":"","affiliations":[],"preferred":false,"id":740588,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70197694,"text":"70197694 - 1987 - Attenuation of the Coast Range ophiolite by extensional faulting and nature of the Coast Range \"thrust,\" California","interactions":[],"lastModifiedDate":"2018-06-18T11:30:46","indexId":"70197694","displayToPublicDate":"1987-12-31T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3524,"text":"Tectonics","active":true,"publicationSubtype":{"id":10}},"title":"Attenuation of the Coast Range ophiolite by extensional faulting and nature of the Coast Range \"thrust,\" California","docAbstract":"The late Mesozoic Coast Range ophiolite and Great Valley sequence in California were juxtaposed against the Franciscan Complex during a long tectonic history that included imbricate thrust faulting, low‐angle detachment, and high‐angle reverse faulting. Many low‐angle faults previously mapped as thrusts invariably juxtapose younger over older rocks, suggesting a normal sense of offset. We infer that serpentinite melange that is present structurally beneath the Coast Range ophiolite formed above the subduction zone during convergence and was subsequently faulted and further attenuated with upper plate rocks concurrent with extension. Franciscan blueschist‐facies rock is inferred to have been transported from depth to higher structural levels concurrent with underplating and extensional unroofing in the upper plate. The present juxta‐position of the Coast Range ophiolite and Great Valley sequence with Franciscan rocks is commonly controlled by Neogene high‐angle faults. We propose that the term Coast Range thrust is no longer appropriate and that the name should be changed to Coast Range fault.
","publisher":"American Geophysical Union","doi":"10.1029/TC006i004p00475","usgsCitation":"Jayko, A.S., Blake, M.C., and Harms, T., 1987, Attenuation of the Coast Range ophiolite by extensional faulting and nature of the Coast Range \"thrust,\" California: Tectonics, v. 6, p. 475-488, https://doi.org/10.1029/TC006i004p00475.","productDescription":"14 p.","startPage":"475","endPage":"488","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":355116,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","volume":"6","noUsgsAuthors":false,"publicationDate":"2010-07-26","publicationStatus":"PW","scienceBaseUri":"5c1134ece4b034bf6a827710","contributors":{"authors":[{"text":"Jayko, A. S. 0000-0002-7378-0330","orcid":"https://orcid.org/0000-0002-7378-0330","contributorId":18011,"corporation":false,"usgs":true,"family":"Jayko","given":"A.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":738196,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Blake, M. Clark Jr.","contributorId":56675,"corporation":false,"usgs":true,"family":"Blake","given":"M.","suffix":"Jr.","email":"","middleInitial":"Clark","affiliations":[],"preferred":false,"id":738197,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Harms, Tekla","contributorId":205706,"corporation":false,"usgs":false,"family":"Harms","given":"Tekla","email":"","affiliations":[],"preferred":false,"id":738198,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70197316,"text":"70197316 - 1987 - Petrology and K-Ar ages of the Misheguk igneous sequence, an allochthonous mafic and ultramafic complex, and its metamorphic aureole, western Brooks Range, Alaska","interactions":[],"lastModifiedDate":"2018-05-29T13:53:45","indexId":"70197316","displayToPublicDate":"1987-12-31T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Petrology and K-Ar ages of the Misheguk igneous sequence, an allochthonous mafic and ultramafic complex, and its metamorphic aureole, western Brooks Range, Alaska","docAbstract":"No abstract available.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"North Slope Geology","language":"English","publisher":"Society of Economic Paleontologists and Mineralogists, Pacific Section","usgsCitation":"Boak, J., Turner, D.L., Henry, D., Moore, T.E., and Wallace, W.K., 1987, Petrology and K-Ar ages of the Misheguk igneous sequence, an allochthonous mafic and ultramafic complex, and its metamorphic aureole, western Brooks Range, Alaska, chap. of North Slope Geology, v. 50, p. 737-745.","productDescription":"9 p.","startPage":"737","endPage":"745","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":354532,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"50","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5b15b23ce4b092d9651e2356","contributors":{"authors":[{"text":"Boak, J.M.","contributorId":205241,"corporation":false,"usgs":false,"family":"Boak","given":"J.M.","affiliations":[],"preferred":false,"id":736625,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Turner, D. L.","contributorId":53776,"corporation":false,"usgs":true,"family":"Turner","given":"D.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":736626,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Henry, D.J.","contributorId":205242,"corporation":false,"usgs":false,"family":"Henry","given":"D.J.","email":"","affiliations":[],"preferred":false,"id":736627,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Moore, Thomas E. 0000-0002-0878-0457 tmoore@usgs.gov","orcid":"https://orcid.org/0000-0002-0878-0457","contributorId":1033,"corporation":false,"usgs":true,"family":"Moore","given":"Thomas","email":"tmoore@usgs.gov","middleInitial":"E.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":false,"id":736628,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wallace, W. K.","contributorId":31781,"corporation":false,"usgs":true,"family":"Wallace","given":"W.","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":736629,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70189635,"text":"70189635 - 1987 - Ground-water contamination near a uranium tailings disposal site in Colorado","interactions":[],"lastModifiedDate":"2017-07-18T16:15:40","indexId":"70189635","displayToPublicDate":"1987-12-31T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1861,"text":"Ground Water","active":true,"publicationSubtype":{"id":10}},"title":"Ground-water contamination near a uranium tailings disposal site in Colorado","docAbstract":"Contaminants from uranium tailings disposed of at an active mill in Colorado have seeped into the shallow ground water onsite. This ground water discharges into the Arkansas River Valley through a superposed stream channel cut in the resistant sandstone ridge at the edge of a synclinal basin. In the river valley, seasonal surface-water irrigation has a significant impact on hydrodynamics. Water levels in residential wells fluctuate up to 20 ft and concentrations of uranium, molybdenum, and other contaminants also vary seasonally, with highest concentrations in the Spring, prior to irrigation, and lowest concentrations in the Fall. Results of a simple transient mixing cell model support the hypothesis that lateral ground-water inflow, and not irrigation recharge, is the source of ground-water contamination.
","language":"English","publisher":"Wiley","doi":"10.1111/j.1745-6584.1987.tb02884.x","usgsCitation":"Goode, D., and Wilder, R.J., 1987, Ground-water contamination near a uranium tailings disposal site in Colorado: Ground Water, v. 25, no. 5, p. 545-554, https://doi.org/10.1111/j.1745-6584.1987.tb02884.x.","productDescription":"10 p.","startPage":"545","endPage":"554","costCenters":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"links":[{"id":344002,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Colorado","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-106.190554,40.997607],[-106.061181,40.996999],[-105.730421,40.996886],[-105.724804,40.99691],[-105.277138,40.998173],[-105.27686,40.998173],[-105.256527,40.998191],[-105.254779,40.99821],[-104.943371,40.998084],[-104.855273,40.998048],[-104.829504,40.99927],[-104.675999,41.000957],[-104.497149,41.001828],[-104.497058,41.001805],[-104.467672,41.001473],[-104.214692,41.001657],[-104.214191,41.001568],[-104.211473,41.001591],[-104.123586,41.001626],[-104.10459,41.001543],[-104.086068,41.001563],[-104.066961,41.001504],[-104.053249,41.001406],[-104.039238,41.001502],[-104.023383,41.001887],[-104.018223,41.001617],[-103.972642,41.001615],[-103.971373,41.001524],[-103.953525,41.001596],[-103.906324,41.001387],[-103.896207,41.00175],[-103.877967,41.001673],[-103.858449,41.001681],[-103.750498,41.002054],[-103.574522,41.001721],[-103.497447,41.001635],[-103.486697,41.001914],[-103.421975,41.002007],[-103.421925,41.001969],[-103.396991,41.002558],[-103.382492,41.002232],[-103.365314,41.001846],[-103.362979,41.001844],[-103.077804,41.002298],[-103.076536,41.002253],[-103.059538,41.002368],[-103.057998,41.002368],[-103.043444,41.002344],[-103.038704,41.002251],[-103.002026,41.002486],[-103.000102,41.0024],[-102.98269,41.002157],[-102.981483,41.002112],[-102.963669,41.002186],[-102.962522,41.002072],[-102.960706,41.002059],[-102.959624,41.002095],[-102.94483,41.002303],[-102.943109,41.002051],[-102.925568,41.00228],[-102.924029,41.002142],[-102.906547,41.002276],[-102.904796,41.002207],[-102.887407,41.002178],[-102.885746,41.002131],[-102.867822,41.002183],[-102.865784,41.001988],[-102.849263,41.002301],[-102.846455,41.002256],[-102.830303,41.002351],[-102.82728,41.002143],[-102.773546,41.002414],[-102.766723,41.002275],[-102.754617,41.002361],[-102.739624,41.00223],[-102.653463,41.002332],[-102.621033,41.002597],[-102.578696,41.002291],[-102.575738,41.002268],[-102.575496,41.0022],[-102.566048,41.0022],[-102.556789,41.002219],[-102.487955,41.002445],[-102.470537,41.002382],[-102.469223,41.002424],[-102.379593,41.002301],[-102.364066,41.002174],[-102.292833,41.002207],[-102.292622,41.00223],[-102.292553,41.002207],[-102.291354,41.002207],[-102.2721,41.002245],[-102.267812,41.002383],[-102.231931,41.002327],[-102.2122,41.002462],[-102.209361,41.002442],[-102.19121,41.002326],[-102.124972,41.002338],[-102.070598,41.002423],[-102.051718,41.002377],[-102.051614,41.002377],[-102.051292,40.749591],[-102.051292,40.749586],[-102.051398,40.697542],[-102.051725,40.537839],[-102.051519,40.520094],[-102.051465,40.440008],[-102.05184,40.396396],[-102.051572,40.39308],[-102.051798,40.360069],[-102.051553,40.349214],[-102.051309,40.338381],[-102.051922,40.235344],[-102.051894,40.229193],[-102.051909,40.162674],[-102.052001,40.148359],[-102.051744,40.003078],[-102.051569,39.849805],[-102.051363,39.843471],[-102.051318,39.833311],[-102.051254,39.818992],[-102.050594,39.675594],[-102.050099,39.653812],[-102.050422,39.646048],[-102.049954,39.592331],[-102.049806,39.574058],[-102.049764,39.56818],[-102.049554,39.538932],[-102.049673,39.536691],[-102.049679,39.506183],[-102.049369,39.423333],[-102.04937,39.41821],[-102.049167,39.403597],[-102.04896,39.373712],[-102.048449,39.303138],[-102.04725,39.13702],[-102.047189,39.133147],[-102.047134,39.129701],[-102.046571,39.047038],[-102.045388,38.813392],[-102.045334,38.799463],[-102.045448,38.783453],[-102.045371,38.770064],[-102.045287,38.755528],[-102.045375,38.754339],[-102.045212,38.697567],[-102.045156,38.688555],[-102.045127,38.686725],[-102.04516,38.675221],[-102.045102,38.674946],[-102.045074,38.669617],[-102.045288,38.615249],[-102.045288,38.615168],[-102.045211,38.581609],[-102.045189,38.558732],[-102.045223,38.543797],[-102.045112,38.523784],[-102.045262,38.505532],[-102.045263,38.505395],[-102.045324,38.453647],[-102.044936,38.41968],[-102.044442,38.415802],[-102.044944,38.384419],[-102.044613,38.312324],[-102.044568,38.268819],[-102.044567,38.268749],[-102.04451,38.262412],[-102.044398,38.250015],[-102.044251,38.141778],[-102.044589,38.125013],[-102.044255,38.113011],[-102.044644,38.045532],[-102.043844,37.928102],[-102.043845,37.926135],[-102.043219,37.867929],[-102.043033,37.824146],[-102.042953,37.803535],[-102.042668,37.788758],[-102.042158,37.760164],[-102.04199,37.738541],[-102.041876,37.723875],[-102.041574,37.680436],[-102.041694,37.665681],[-102.041582,37.654495],[-102.041585,37.644282],[-102.041618,37.607868],[-102.041894,37.557977],[-102.041899,37.541186],[-102.042016,37.535261],[-102.041786,37.506066],[-102.041801,37.469488],[-102.041755,37.434855],[-102.041669,37.43474],[-102.041676,37.409898],[-102.041586,37.38919],[-102.041524,37.375018],[-102.042089,37.352819],[-102.041974,37.352613],[-102.041817,37.30949],[-102.041664,37.29765],[-102.041963,37.258164],[-102.042002,37.141744],[-102.042135,37.125021],[-102.042092,37.125021],[-102.041809,37.111973],[-102.041983,37.106551],[-102.04192,37.035083],[-102.041749,37.034397],[-102.041921,37.032178],[-102.04195,37.030805],[-102.041952,37.024742],[-102.04224,36.993083],[-102.054503,36.993109],[-102.184271,36.993593],[-102.208316,36.99373],[-102.260789,36.994388],[-102.355288,36.994506],[-102.355367,36.994575],[-102.698142,36.995149],[-102.74206,36.997689],[-102.75986,37.000019],[-102.778569,36.999242],[-102.806762,37.000019],[-102.814616,37.000783],[-102.841989,36.999598],[-102.979613,36.998549],[-102.985807,36.998571],[-102.986976,36.998524],[-103.002199,37.000104],[-103.086106,37.000174],[-103.155922,37.000232],[-103.733247,36.998016],[-103.734364,36.998041],[-104.007855,36.996239],[-104.250536,36.994644],[-104.338833,36.993535],[-104.519257,36.993766],[-104.624556,36.994377],[-104.625545,36.993599],[-104.645029,36.993378],[-104.732031,36.993447],[-104.73212,36.993484],[-105.000554,36.993264],[-105.029228,36.992729],[-105.1208,36.995428],[-105.155042,36.995339],[-105.220613,36.995169],[-105.251296,36.995605],[-105.41931,36.995856],[-105.442459,36.995994],[-105.447255,36.996017],[-105.465182,36.995991],[-105.508836,36.995895],[-105.512485,36.995777],[-105.533922,36.995875],[-105.62747,36.995679],[-105.66472,36.995874],[-105.716471,36.995849],[-105.71847,36.995846],[-105.996159,36.995418],[-105.997472,36.995417],[-106.006634,36.995343],[-106.201469,36.994122],[-106.247705,36.994266],[-106.248675,36.994288],[-106.293279,36.99389],[-106.343139,36.99423],[-106.47628,36.993839],[-106.500589,36.993768],[-106.617159,36.992967],[-106.617125,36.993004],[-106.628652,36.993175],[-106.628733,36.993161],[-106.661344,36.993243],[-106.675626,36.993123],[-106.750591,36.992461],[-106.869796,36.992426],[-106.877292,37.000139],[-107.420913,37.000005],[-107.420915,37.000005],[-107.481737,37.000005],[-108.000623,37.000001],[-108.249358,36.999015],[-108.250635,36.999561],[-108.288086,36.999555],[-108.2884,36.99952],[-108.320464,36.999499],[-108.320721,36.99951],[-108.379203,36.999459],[-108.619689,36.999249],[-108.620309,36.999287],[-108.954404,36.998906],[-108.958868,36.998913],[-109.045223,36.999084],[-109.045166,37.072742],[-109.045058,37.074661],[-109.044995,37.086429],[-109.045189,37.096271],[-109.045173,37.109464],[-109.045203,37.111958],[-109.045156,37.112064],[-109.045995,37.177279],[-109.045978,37.201831],[-109.045487,37.210844],[-109.045584,37.249351],[-109.046039,37.249993],[-109.04581,37.374993],[-109.043464,37.484711],[-109.043137,37.499992],[-109.041915,37.530653],[-109.041865,37.530726],[-109.041806,37.604171],[-109.042131,37.617662],[-109.042089,37.623795],[-109.042269,37.666067],[-109.041732,37.711214],[-109.04176,37.713182],[-109.041636,37.74021],[-109.042098,37.74999],[-109.041461,37.800105],[-109.041754,37.835826],[-109.041723,37.842051],[-109.041844,37.872788],[-109.041653,37.88117],[-109.041058,37.907236],[-109.043121,37.97426],[-109.042819,37.997068],[-109.04282,37.999301],[-109.041837,38.153022],[-109.041762,38.16469],[-109.054648,38.244921],[-109.060062,38.275489],[-109.059962,38.499987],[-109.060253,38.599328],[-109.059541,38.719888],[-109.057388,38.795456],[-109.054189,38.874984],[-109.053943,38.904414],[-109.053797,38.905284],[-109.053233,38.942467],[-109.053292,38.942878],[-109.052436,38.999985],[-109.051512,39.126095],[-109.050765,39.366677],[-109.051363,39.497674],[-109.05104,39.660472],[-109.050615,39.87497],[-109.050873,40.058915],[-109.050813,40.059579],[-109.050944,40.180712],[-109.050973,40.180849],[-109.050969,40.222662],[-109.050946,40.444368],[-109.050314,40.495092],[-109.050698,40.499963],[-109.049955,40.539901],[-109.050074,40.540358],[-109.048044,40.619231],[-109.048249,40.653601],[-109.048373,40.662602],[-109.049088,40.714562],[-109.048455,40.826081],[-109.050076,41.000659],[-108.884138,41.000094],[-108.631108,41.000156],[-108.526667,40.999608],[-108.500659,41.000112],[-108.250649,41.000114],[-108.181227,41.000455],[-108.046539,41.002064],[-107.918421,41.002036],[-107.625624,41.002124],[-107.367443,41.003073],[-107.317794,41.002967],[-107.241194,41.002804],[-107.000606,41.003444],[-106.857773,41.002663],[-106.453859,41.002057],[-106.439563,41.001978],[-106.437419,41.001795],[-106.43095,41.001752],[-106.391852,41.001176],[-106.386356,41.001144],[-106.321165,40.999123],[-106.217573,40.997734],[-106.190554,40.997607]]]},\"properties\":{\"name\":\"Colorado\",\"nation\":\"USA \"}}]}","volume":"25","issue":"5","noUsgsAuthors":false,"publicationDate":"2006-03-21","publicationStatus":"PW","scienceBaseUri":"596f1e29e4b0d1f9f0640782","contributors":{"authors":[{"text":"Goode, Daniel J. 0000-0002-8527-2456 djgoode@usgs.gov","orcid":"https://orcid.org/0000-0002-8527-2456","contributorId":2433,"corporation":false,"usgs":true,"family":"Goode","given":"Daniel J.","email":"djgoode@usgs.gov","affiliations":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"preferred":false,"id":705529,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wilder, Russell J.","contributorId":194867,"corporation":false,"usgs":false,"family":"Wilder","given":"Russell","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":705530,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70203813,"text":"70203813 - 1987 - Wetland changes in coastal Alabama","interactions":[],"lastModifiedDate":"2019-06-13T14:25:58","indexId":"70203813","displayToPublicDate":"1987-12-30T14:25:32","publicationYear":"1987","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Wetland changes in coastal Alabama","largerWorkType":{"id":24,"text":"Conference Paper"},"largerWorkTitle":"Symposium on the Natural Resources of the Mobile Bay Estuary, February, 1987","largerWorkSubtype":{"id":19,"text":"Conference Paper"},"conferenceDate":"February 1987","language":"English","publisher":"Alabama Extension Sea Grant Service","usgsCitation":"Roach, E.R., Watzin, M.C., Scurry, J., and Johnston, J.B., 1987, Wetland changes in coastal Alabama, in Symposium on the Natural Resources of the Mobile Bay Estuary, February, 1987, February 1987, p. 92-101.","productDescription":"10 p.","startPage":"92","endPage":"101","costCenters":[],"links":[{"id":364657,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":364656,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://repository.library.noaa.gov/view/noaa/13678"}],"country":"United States","state":"Alabama","otherGeospatial":"Mobile Bay","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -88.29986572265625,\n 30.17599895913958\n ],\n [\n -87.69287109375,\n 30.17599895913958\n ],\n [\n -87.69012451171875,\n 30.237713497892038\n ],\n [\n -87.3687744140625,\n 30.259067203213018\n ],\n [\n -87.38250732421875,\n 30.458144351018078\n ],\n [\n -87.4896240234375,\n 30.479449996609706\n ],\n [\n -87.4676513671875,\n 30.391830328088137\n ],\n [\n -87.80548095703125,\n 30.391830328088137\n ],\n [\n -87.88238525390625,\n 30.678077624205258\n ],\n [\n -88.10760498046875,\n 30.680439786468128\n ],\n [\n -88.1268310546875,\n 30.439202087235582\n ],\n [\n -88.39050292968749,\n 30.439202087235582\n ],\n [\n -88.35479736328125,\n 30.17599895913958\n ],\n [\n -88.29986572265625,\n 30.17599895913958\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Roach, E. Randy","contributorId":214537,"corporation":false,"usgs":false,"family":"Roach","given":"E.","email":"","middleInitial":"Randy","affiliations":[],"preferred":false,"id":764229,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Watzin, Mary C.","contributorId":214534,"corporation":false,"usgs":false,"family":"Watzin","given":"Mary","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":764230,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Scurry, James D.","contributorId":214536,"corporation":false,"usgs":false,"family":"Scurry","given":"James D.","affiliations":[],"preferred":false,"id":764231,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Johnston, James B.","contributorId":78039,"corporation":false,"usgs":true,"family":"Johnston","given":"James","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":764232,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70207555,"text":"70207555 - 1987 - The significance of observations at active volcanoes; A review and annotated bibliography of studies at Kilauea and Mount St. Helens","interactions":[],"lastModifiedDate":"2020-06-03T14:55:38.866338","indexId":"70207555","displayToPublicDate":"1987-12-24T13:05:11","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5903,"text":"Geochemical Society Special Publication","onlineIssn":" 1073-217","active":false,"publicationSubtype":{"id":10}},"title":"The significance of observations at active volcanoes; A review and annotated bibliography of studies at Kilauea and Mount St. Helens","docAbstract":"Study of active volcanoes yields information of much broader significance than to only the discipline of volcanology. Some applications are 1) interpretation of lava-flow structures, stratigraphic complexities, and petrologic relations in older volcanic units; 2) interpretation of bulk properties of the mantle and constraints on partial melting and deep magma transport; 3) interpretation of geophysical characteristics of potentially active volcanic systems; 4) direct determination of physical properties of molten and solidified basalt, and of intensive variables (e.g., oxygen fugacity and temperature) accompanying cooling and crystallization; 5) quantitative assessment of crystal fractionation and magma mixing, 6) tests of theoretical and experimental geochemical, geophysical, and rheologic models of volcanic behavior; and 7) confirmation in nature of laboratory experiments related to crystallization in igneous systems. The critical factors that make real-time study of volcanic activity valuable are that the location and timing of events are known, and that molten rock and gases are available for direct observation and sampling for subsequent study. Observations made over a period of time make it possible to calculate rates of magma transport, storage, and crystallization, as well as to quantitatively determine elastic and inelastic deformation and the build up and decay of stress within the active volcanic system. Discussion of these topics is keyed to an annotated bibliography from which quantitative information on properties and processes may be obtained. Emphasis is on Hawaii's active basaltic volcanoes for which the most information is available. Additional references are made to research at Mount St. Helens, one of the first real-time studies of an active volcano of dacitic composition.
","language":"English","publisher":"Geochemical Society","isbn":"0-941-809-005","usgsCitation":"Wright, T., and Swanson, D., 1987, The significance of observations at active volcanoes; A review and annotated bibliography of studies at Kilauea and Mount St. Helens: Geochemical Society Special Publication, v. 1, p. 231-240.","productDescription":"10 p.","startPage":"231","endPage":"240","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":370656,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Hawaii, Washington","otherGeospatial":"Kilauea volcano, Mount St. Helens","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -155.31509399414062,\n 19.381113715771875\n ],\n [\n -155.22171020507812,\n 19.381113715771875\n ],\n [\n -155.22171020507812,\n 19.44328437042322\n ],\n [\n -155.31509399414062,\n 19.44328437042322\n ],\n [\n -155.31509399414062,\n 19.381113715771875\n ]\n ]\n ]\n }\n },\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -122.36022949218749,\n 46.14178273759234\n ],\n [\n -122.02239990234375,\n 46.14178273759234\n ],\n [\n -122.02239990234375,\n 46.30140615437332\n ],\n [\n -122.36022949218749,\n 46.30140615437332\n ],\n [\n -122.36022949218749,\n 46.14178273759234\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"1","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Wright, Thomas L. twright@usgs.gov","contributorId":3890,"corporation":false,"usgs":true,"family":"Wright","given":"Thomas L.","email":"twright@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":778452,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Swanson, Don 0000-0002-1680-3591 donswan@usgs.gov","orcid":"https://orcid.org/0000-0002-1680-3591","contributorId":168817,"corporation":false,"usgs":true,"family":"Swanson","given":"Don","email":"donswan@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":778453,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70226926,"text":"70226926 - 1987 - Geomorphic and hydrologic dynamics of zero-order basins","interactions":[],"lastModifiedDate":"2021-12-21T14:04:41.15584","indexId":"70226926","displayToPublicDate":"1987-12-22T07:57:55","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Geomorphic and hydrologic dynamics of zero-order basins","docAbstract":"The 1987 International Symposium on Erosion and Sedimentation in the Pacific Rim, held August 3–7, 1987, in Corvallis, Oreg., included a special session on the geomorphic and hydrologic dynamics of zero-order drainage basins. “Zero-order basin” is one of several terms used to describe unchanneled swales or hollows that may occupy considerable areas of higher-order drainage basins. These basins serve as important accumulation sites for water, sediment, and accompanying contaminants that subsequently may enter streams. Moreover, in many terrains along the Pacific rim, zero-order basins are significant geologic hazard sites in which rapid landslides and debris flows commonly begin. Widespread recognition o f the importance of zero-order basins has occurred only within the last 15 years, and this special session was aimed at collecting and assessing some of the pertinent knowledge that has been gained to date.
The 75th anniversary of the founding of the U.S. Geological Survey (USGS) Hawaiian Volcano Observatory (HVO) was celebrated during January 1987. The festivities began on January 9 with the opening in Hilo of a major exhibit at the Wailoa Center on the current work of HVO, its history, and its special relationship to Hawaii Volcanoes National Park. In addition to spectacular photographs of volcanic activity and HVO field work, the exhibit featured continuous showings of underwater footage taken during the recent eruptive activity (December 1986) and a computer monitor that displayed the activity of HVO seismic net in real time. The exhibit, which was coordinated by HVO librarian/photo archivist Taeko Jane Takahashi and which featured the professional work of HVO photographer J . D. Griggs, was well received and will probably form the core of a future traveling exhibit.
","language":"English","publisher":"AGU","doi":"10.1029/EO068i023p00570-03","usgsCitation":"Wright, T., and Decker, R., 1987, Hawaii Volcano Observatory 75th anniversary: Eos, Transactions, American Geophysical Union, v. 68, no. 23, p. 570-570, https://doi.org/10.1029/EO068i023p00570-03.","productDescription":"1 p.","startPage":"570","endPage":"570","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":370416,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Hawaii","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -155.63232421875,\n 18.8543103618898\n ],\n [\n -154.676513671875,\n 19.580493479202527\n ],\n [\n -155.21484375,\n 19.694314241825747\n ],\n [\n -155.54443359374997,\n 19.642587534013032\n ],\n [\n -155.85205078125,\n 19.197053439464852\n ],\n [\n -155.63232421875,\n 18.8543103618898\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"68","issue":"23","noUsgsAuthors":false,"publicationDate":"2011-06-03","publicationStatus":"PW","contributors":{"authors":[{"text":"Wright, Thomas L. twright@usgs.gov","contributorId":3890,"corporation":false,"usgs":true,"family":"Wright","given":"Thomas L.","email":"twright@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":777855,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Decker, R.","contributorId":152591,"corporation":false,"usgs":false,"family":"Decker","given":"R.","email":"","affiliations":[],"preferred":false,"id":777856,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70207311,"text":"70207311 - 1987 - Dinosaurs, pollen and spores, and the age of the Ojo Alamo Sandstone, San Juan Basin, New Mexico","interactions":[],"lastModifiedDate":"2020-06-03T13:34:40.796569","indexId":"70207311","displayToPublicDate":"1987-12-16T15:34:50","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1727,"text":"GSA Special Papers","active":true,"publicationSubtype":{"id":10}},"title":"Dinosaurs, pollen and spores, and the age of the Ojo Alamo Sandstone, San Juan Basin, New Mexico","docAbstract":"The Ojo Alamo Sandstone of the San Juan Basin of New Mexico is composed of interbedded conglomeratic sandstone, sandstone, siltstone, and mudstone. Conglomerates are found in the western part of the basin; siliceous pebbles diminish in size both southward and eastward across the basin, becoming rare to nonexistent in the eastern part. There is great variation in the internal stratigraphy of the Ojo Alamo: Individual sandstone or mudstone beds thicken, thin, and pinch out laterally. The thickness of the Ojo Alamo varies from 6 m (20 ft) to more than 122 m (400 ft). The formation varies in composition from one to as many as five sandstone beds with interbeds of siltstone or mudstone.
Dinosaur bone has been found within the Ojo Alamo at several sites in the western part of the basin. Paleocene pollen has been found within the Ojo Alamo in the eastern part of the basin. To date, no Cretaceous pollen has been found at or above the stratigraphic level of dinosaur bone within the Ojo Alamo Sandstone. Near Barrel Spring, in the southwest part of the basin, both dinosaur bone and Paleocene pollen have been found. One bone, found at the top of the Ojo Alamo, was loose on the surface, and its significance is therefore equivocal. Dinosaur bone, however, has also been found in place in the upper part of the Ojo Alamo about 1.6 km (1 mi) west of Barrel Spring, at about the same stratigraphic level as Paleocene pollen from a site just east of Barrel Spring. Because there is no apparent unconformity between the highest in-place bone level and the Paleocene pollen level in this area, the Ojo Alamo dinosaurs, if not reworked, are Paleocene in age at this site and probably throughout the San Juan Basin.
","language":"English","publisher":"Geological Society of America","doi":"10.1130/SPE209-p17","usgsCitation":"Fassett, J.E., Lucas, S.G., and O’Neill, F., 1987, Dinosaurs, pollen and spores, and the age of the Ojo Alamo Sandstone, San Juan Basin, New Mexico: GSA Special Papers, v. 209, p. 17-34, https://doi.org/10.1130/SPE209-p17.","productDescription":"18 p.","startPage":"17","endPage":"34","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":370321,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Colorado, New Mexico","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -108.709716796875,\n 35.93354064249312\n ],\n [\n -106.864013671875,\n 35.93354064249312\n ],\n [\n -106.864013671875,\n 37.45741810262938\n ],\n [\n -108.709716796875,\n 37.45741810262938\n ],\n [\n -108.709716796875,\n 35.93354064249312\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"209","noUsgsAuthors":false,"publicationDate":"1987-01-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Fassett, James E. jfassett@usgs.gov","contributorId":73590,"corporation":false,"usgs":true,"family":"Fassett","given":"James","email":"jfassett@usgs.gov","middleInitial":"E.","affiliations":[{"id":165,"text":"Central Energy Resources Team","active":false,"usgs":true}],"preferred":false,"id":777646,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lucas, S. G.","contributorId":76934,"corporation":false,"usgs":true,"family":"Lucas","given":"S.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":777647,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"O’Neill, F.M.","contributorId":221285,"corporation":false,"usgs":false,"family":"O’Neill","given":"F.M.","email":"","affiliations":[],"preferred":false,"id":777648,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70207310,"text":"70207310 - 1987 - The ages of the continental, Upper Cretaceous, Fruitland Formation and Kirtland Shale based on a projection of ammonite zones from the Lewis Shale, San Juan Basin, New Mexico and Colorado","interactions":[],"lastModifiedDate":"2019-12-17T06:37:26","indexId":"70207310","displayToPublicDate":"1987-12-16T15:24:39","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1727,"text":"GSA Special Papers","active":true,"publicationSubtype":{"id":10}},"title":"The ages of the continental, Upper Cretaceous, Fruitland Formation and Kirtland Shale based on a projection of ammonite zones from the Lewis Shale, San Juan Basin, New Mexico and Colorado","docAbstract":"The Kirtland Shale or Fruitland Formation directly underlies the Cretaceous-Tertiary boundary throughout most of the San Juan Basin of northwest New Mexico and southwest Colorado. These formations have been known to be Late Cretaceous in age since the early 1900s. Now, with the greatly renewed interest in rocks adjacent to mass extinction boundaries, it is important to place more precise ages on such rock units as the Fruitland and Kirtland. Deposition of the Fruitland and Kirtland was closely related to deposition of the underlying marine-regressive Pictured Cliffs Sandstone. Because the Pictured Cliffs was deposited as a strandline sandstone in a subsiding seaway, its stratigraphic expression, when related to a time horizon (the Huerfanito Bentonite Bed), is a series of rising-to-the-northeast, time transgressive, stair steps. Thus, time lines (or horizons) drawn parallel to the Huerfanito cut through the marine Lewis Shale, the strandline Pictured Cliffs Sandstone, and the continental Fruitland Formation and Kirtland Shale.
Ammonites have been collected and identified from various stratigraphic levels within the Lewis Shale around the northwest, north, and east sides of the San Juan Basin. These fossils can be tied in to the established ammonite zonation of the Western Interior seaway. Because some of these ammonite zones have been radiometrically dated outside the San Juan Basin, it is possible to project these dated faunal zones from the Lewis Shale along time lines into the Fruitland Formation and Kirtland Shale and thereby estimate the age of those rocks. Based on these projections the part of the Fruitland and Kirtland laterally time-equivalent to the Lewis Shale is estimated to range from 73.2 ± 0.7 Ma to 73.9 ± 0.8 Ma. The average age for this interval based on these dates is 73.5 ± 0.5 Ma; the maximum range of the interval at the 95 percent confidence level is 71.8 to 75.5 Ma. This age range puts these rocks in the Campanian Stage of the upper Cretaceous in the San Juan Basin.
","language":"English","publisher":"Geological Society of America","doi":"10.1130/SPE209-p5","usgsCitation":"Fassett, J.E., 1987, The ages of the continental, Upper Cretaceous, Fruitland Formation and Kirtland Shale based on a projection of ammonite zones from the Lewis Shale, San Juan Basin, New Mexico and Colorado: GSA Special Papers, v. 209, p. 5-16, https://doi.org/10.1130/SPE209-p5.","productDescription":"12 p.","startPage":"5","endPage":"16","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":370320,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Colorado, New Mexic","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -108.709716796875,\n 36.02244668175846\n ],\n [\n -106.8695068359375,\n 36.02244668175846\n ],\n [\n -106.8695068359375,\n 37.48793540168987\n ],\n [\n -108.709716796875,\n 37.48793540168987\n ],\n [\n -108.709716796875,\n 36.02244668175846\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"209","noUsgsAuthors":false,"publicationDate":"1987-01-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Fassett, James E. jfassett@usgs.gov","contributorId":73590,"corporation":false,"usgs":true,"family":"Fassett","given":"James","email":"jfassett@usgs.gov","middleInitial":"E.","affiliations":[{"id":165,"text":"Central Energy Resources Team","active":false,"usgs":true}],"preferred":false,"id":777680,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70207099,"text":"70207099 - 1987 - Effect of crustal layering upon dislocation modeling","interactions":[],"lastModifiedDate":"2020-05-28T15:19:13.484972","indexId":"70207099","displayToPublicDate":"1987-12-06T09:40:39","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2314,"text":"Journal of Geophysical Research B: Solid Earth","active":true,"publicationSubtype":{"id":10}},"title":"Effect of crustal layering upon dislocation modeling","docAbstract":"Slip distribution at depth on a fault may be inferred from the deformation observed on the surface. In inverting the surface deformation data to obtain the slip distribution, the Earth is generally approximated by an elastic half‐space. Slip distributions inferred from a half‐space model may contain artifacts, including zones of reversed slip, due solely to effects of layering in the real Earth. This effect is demonstrated for a vertical strike‐slip fault in an Earth consisting of an elastic layer overlying an elastic half‐space. Slip on the fault is taken to be independent of the along‐strike coordinate (i.e., antiplane strain is assumed). For a given slip distribution in this model the slip distribution on a similar fault in an elastic half‐space is found that produces the identical surface deformation. Comparison of the two slip distributions reveals structure introduced into the half‐space equivalent slip profile by crustal layering. The comparisons suggest that low‐resolution inversion schemes (e.g., single screw dislocation models) are not drastically affected by Earth structure, but attempts at detailed inversion are likely to produce profiles contaminated by artifacts of Earth structure.
","language":"English","publisher":"American Geophysical Union","doi":"10.1029/JB092iB10p10595","usgsCitation":"Savage, J.C., 1987, Effect of crustal layering upon dislocation modeling: Journal of Geophysical Research B: Solid Earth, v. 92, no. B10, p. 10595-10600, https://doi.org/10.1029/JB092iB10p10595.","productDescription":"6 p.","startPage":"10595","endPage":"10600","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":480064,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/jb092ib10p10595","text":"Publisher Index Page"},{"id":370030,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"92","issue":"B10","noUsgsAuthors":false,"publicationDate":"2012-09-20","publicationStatus":"PW","contributors":{"authors":[{"text":"Savage, James C. 0000-0002-5114-7673 jasavage@usgs.gov","orcid":"https://orcid.org/0000-0002-5114-7673","contributorId":2412,"corporation":false,"usgs":true,"family":"Savage","given":"James","email":"jasavage@usgs.gov","middleInitial":"C.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":776823,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70158918,"text":"70158918 - 1987 - Yukon Flats National Wildlife Refuge land cover mapping project user's guide","interactions":[],"lastModifiedDate":"2022-04-13T14:09:24.461969","indexId":"70158918","displayToPublicDate":"1987-12-02T14:30:00","publicationYear":"1987","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":9,"text":"Other Report"},"title":"Yukon Flats National Wildlife Refuge land cover mapping project user's guide","docAbstract":"Title III of the Alaska National Interest Lands Conservation Act (ANILCA, 1980) established the Yukon Flats National Wildlife Refuge (YFNWR). Section 304 of the Act requires the Secretary of Interior to \"prepare, and from time to time revise, a comprehensive conservation plan\" for the refuge. Before developing a plan for the refuge, the Secretary shall \"identify and describe--a) the populations and habitats of the fish and wildlife resources of the refuge; b) the special values of the refuge as well as any other archeological, cultural, ecological, geological , historical, palentological, scenic, or wilderness value of the refuge; c) areas within the refuge that are suitable for use as administrative sites or visitor facilities...; d) present the potential requirements for access with respect to the refuge...; and e) significant problems which may adversely affect the populations and habitats of fish and wildlife identified and described...\" (ANILCA, 1980). Vegetation, water, and terrain (elevation, slope, and aspect) are the components of habitat and can be used in the determination of the above requirements.
\nThe U. S. Fish & Wildlife Service (USFWS) has the responsibility for collecting the resource information to address the research, management, development and planning requirements identified in Section 304. Because of the brief period provided by the Act for data collection, habitat mapping, and habitat assessment, the USFWS in cooperation with the U.S. Geological Survey's EROS Field Office, used digital Landsat multispectral scanner (MSS) data and digital terrain data to produce land cover and terrain maps. A computer assisted digital analysis of Landsat MSS data was used because coverage by aerial photographs was incomplete for much of the refuge and because the level of detail obtained from Landsat data was adequate to meet most USFWS research, management and planning needs. Relative cost and time requirements were also factors in the decision to use the digital analysis approach.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Markon, C.J., 1987, Yukon Flats National Wildlife Refuge land cover mapping project user's guide, 25 p.","productDescription":"25 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":309711,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/70158918.jpg"},{"id":312629,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70158918/report.pdf","text":"Report","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"Alaska","otherGeospatial":"Yukon Flats National Wildlife Refuge","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -149.578857421875,\n 65.82528186767406\n ],\n [\n -149.271240234375,\n 65.76221691239006\n ],\n [\n -148.96362304687497,\n 65.75319502284968\n ],\n [\n -148.612060546875,\n 65.82078234733756\n ],\n [\n -148.304443359375,\n 65.77574383263962\n ],\n [\n -147.930908203125,\n 65.82528186767406\n ],\n [\n -147.271728515625,\n 65.83877570688918\n ],\n [\n -146.84326171874997,\n 65.87023380203185\n ],\n [\n -146.590576171875,\n 65.78926365865432\n ],\n [\n -146.53564453125,\n 65.69899739579667\n ],\n [\n -146.35986328124997,\n 65.69899739579667\n ],\n [\n -145.931396484375,\n 65.81628203985206\n ],\n [\n -145.39306640624997,\n 65.74416997811738\n ],\n [\n -145.04150390625,\n 65.70803822968016\n ],\n [\n -144.459228515625,\n 65.8837040515135\n ],\n [\n -144.0087890625,\n 65.88819256330774\n ],\n [\n -144.019775390625,\n 66.13829878264829\n ],\n [\n -144.11865234375,\n 66.133854089549\n ],\n [\n -144.11865234375,\n 66.26243417754857\n ],\n [\n -144.1845703125,\n 66.27127767491216\n ],\n [\n -144.1845703125,\n 66.32427350198294\n ],\n [\n -143.98681640625,\n 66.32868478255796\n ],\n [\n -143.98681640625,\n 66.4123520614206\n ],\n [\n -143.800048828125,\n 66.4123520614206\n ],\n [\n -143.7890625,\n 66.35513620288557\n ],\n [\n -143.558349609375,\n 66.33309528851538\n ],\n [\n -143.28369140625,\n 66.19600891267761\n ],\n [\n -143.23974609375,\n 66.12940861699609\n ],\n [\n -143.448486328125,\n 66.12940861699609\n ],\n [\n -143.54736328125,\n 66.00461848105246\n ],\n [\n -143.54736328125,\n 65.89268028960205\n ],\n [\n -142.745361328125,\n 65.89268028960205\n ],\n [\n -142.745361328125,\n 66.07600210896848\n ],\n [\n -142.11914062499997,\n 66.06709009707023\n ],\n [\n -142.11914062499997,\n 66.23145747862573\n ],\n [\n -142.05322265625,\n 66.23588505155591\n ],\n [\n -142.042236328125,\n 66.57885072290632\n ],\n [\n -141.96533203125,\n 66.58321725728175\n ],\n [\n -141.96533203125,\n 66.92575483700277\n ],\n [\n -141.78955078125,\n 66.93436492078077\n ],\n [\n -141.712646484375,\n 66.72688256295223\n ],\n [\n -141.427001953125,\n 66.72688256295223\n ],\n [\n -141.15234374999997,\n 66.7745857647255\n ],\n [\n -140.99853515625,\n 66.87834504307976\n ],\n [\n -141.009521484375,\n 68.13885164925573\n ],\n [\n -145.17333984375,\n 68.1265758134121\n ],\n [\n -145.20629882812497,\n 67.55894799883033\n ],\n [\n -145.447998046875,\n 67.55475378638546\n ],\n [\n -145.43701171875,\n 67.44965659541857\n ],\n [\n -145.283203125,\n 67.41170754196519\n ],\n [\n -145.2392578125,\n 67.3271595401678\n ],\n [\n -145.52490234375,\n 67.1614280966097\n ],\n [\n -145.634765625,\n 66.84812725418995\n ],\n [\n -145.579833984375,\n 66.79623849287657\n ],\n [\n -145.931396484375,\n 66.67473718353055\n ],\n [\n -146.05224609375,\n 66.83084319457534\n ],\n [\n -146.414794921875,\n 67.02029884505706\n ],\n [\n -146.62353515625,\n 67.06315217796664\n ],\n [\n -146.9091796875,\n 67.07599342955437\n ],\n [\n -147.15087890625,\n 67.15289820820026\n ],\n [\n -147.392578125,\n 67.08455048507471\n ],\n [\n -147.667236328125,\n 67.08882787950223\n ],\n [\n -147.7880859375,\n 67.06315217796664\n ],\n [\n -148.128662109375,\n 67.07599342955437\n ],\n [\n -148.2275390625,\n 67.10592990421827\n ],\n [\n -148.392333984375,\n 67.0545875634247\n ],\n [\n -148.4912109375,\n 67.08027233512864\n ],\n [\n -148.6669921875,\n 67.11874849517986\n ],\n [\n -148.7109375,\n 67.0074280854991\n ],\n [\n -148.809814453125,\n 67.01600934917997\n ],\n [\n -149.150390625,\n 66.93436492078077\n ],\n [\n -149.326171875,\n 67.00313631747609\n ],\n [\n -149.512939453125,\n 66.95157597694553\n ],\n [\n -149.7216796875,\n 66.95587684341999\n ],\n [\n -149.732666015625,\n 66.7875796909833\n ],\n [\n -150.084228515625,\n 66.63555577803261\n ],\n [\n -150.1171875,\n 66.54389077787991\n ],\n [\n -150.00732421875,\n 66.25358757512083\n ],\n [\n -149.78759765625,\n 66.24916310923315\n ],\n [\n -149.78759765625,\n 65.99568144924922\n ],\n [\n -149.61181640625,\n 65.98674128600024\n ],\n [\n -149.578857421875,\n 65.82528186767406\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5614f0e2e4b0ba4884c611f4","contributors":{"authors":[{"text":"Markon, Carl J. markon@usgs.gov","contributorId":2499,"corporation":false,"usgs":true,"family":"Markon","given":"Carl","email":"markon@usgs.gov","middleInitial":"J.","affiliations":[],"preferred":false,"id":576838,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70121888,"text":"70121888 - 1987 - Use of the bottomland hardwoods subset of the wetland values data base","interactions":[],"lastModifiedDate":"2014-08-25T09:43:57","indexId":"70121888","displayToPublicDate":"1987-12-01T09:41:37","publicationYear":"1987","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":9,"text":"Other Report"},"title":"Use of the bottomland hardwoods subset of the wetland values data base","docAbstract":"This report documents a bibliographic data base concerning functions and values of bottomland hardwoods and similarly vegetated areas. This data base is being provided for a limited time (until September 30, 1988) as a supplement to the publication entitled \"Synopsis of Wetland Functions and Values: Bottomland Hardwoods with Special Emphasis on Eastern Texas and Oklahoma\" (Wilkinson et al. 1987). The bottomland hardwoods data base is a subset of a larger bibliographic data base, Wetland Values, developed by the National Wetlands Inventory of the U.S. Fish and Wildlife Service (Stuber 1986). The focus of these bibliographic data bases is on functions and values of wetlands; few articles on structure (e.g., phytosociology) are included.
","language":"English","publisher":"U.S. Fish & Wildlife Service, National Ecology Research Center","publisherLocation":"Fort Collins, CO","usgsCitation":"Auble, G.T., 1987, Use of the bottomland hardwoods subset of the wetland values data base, 22 p.","productDescription":"22 p.","numberOfPages":"22","costCenters":[],"links":[{"id":292937,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53fc4de6e4b0413fd75d6b69","contributors":{"authors":[{"text":"Auble, Gregor T. 0000-0002-0843-2751 aubleg@usgs.gov","orcid":"https://orcid.org/0000-0002-0843-2751","contributorId":2187,"corporation":false,"usgs":true,"family":"Auble","given":"Gregor","email":"aubleg@usgs.gov","middleInitial":"T.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":499270,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70014144,"text":"70014144 - 1987 - Anaerobic production of magnetite by a dissimilatory iron-reducing microorganism","interactions":[],"lastModifiedDate":"2025-06-03T16:33:33.373042","indexId":"70014144","displayToPublicDate":"1987-11-19T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2840,"text":"Nature","active":true,"publicationSubtype":{"id":10}},"title":"Anaerobic production of magnetite by a dissimilatory iron-reducing microorganism","docAbstract":"The potential contribution of microbial metabolism to the magnetization of sediments has only recently been recognized. In the presence of oxygen, magnetotactic bacteria can form intracellular chains of magnetite while using oxygen or nitrate as the terminal electron acceptor for metabolism1. The production of ultrafine-grained magnetite by magnetotactic bacteria in surficial aerobic sediments may contribute significantly to the natural remanent magnetism of sediments2–4. However, recent studies on iron reduction in anaerobic sediments suggested that bacteria can also generate magnetite in the absence of oxygen5. We report here on a sediment organism, designated GS-15, which produces copious quantities of ultrafine-grained magnetite under anaerobic conditions. GS-15 is not magnetotactic, but reduces amorphic ferric oxide to extracellular magnetite during the reduction of ferric iron as the terminal electron acceptor for organic matter oxidation. This novel metabolism may be the mechanism for the formation of ultrafine-grained magnetite in anaerobic sediments, and could account for the accumulation of magnetite in ancient iron formations and hydrocarbon deposits.
","language":"English","publisher":"Springer Nature","doi":"10.1038/330252a0","issn":"00280836","usgsCitation":"Lovley, D.R., Stolz, J., Nord, G.L., and Phillips, E.J., 1987, Anaerobic production of magnetite by a dissimilatory iron-reducing microorganism: Nature, v. 330, no. 6145, p. 252-254, https://doi.org/10.1038/330252a0.","productDescription":"3 p.","startPage":"252","endPage":"254","costCenters":[],"links":[{"id":225873,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"330","issue":"6145","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059eac6e4b0c8380cd48a4a","contributors":{"authors":[{"text":"Lovley, Derek R.","contributorId":107852,"corporation":false,"usgs":true,"family":"Lovley","given":"Derek","middleInitial":"R.","affiliations":[],"preferred":false,"id":367707,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stolz, J.F.","contributorId":94022,"corporation":false,"usgs":true,"family":"Stolz","given":"J.F.","email":"","affiliations":[],"preferred":false,"id":367706,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nord, Gordon L. Jr.","contributorId":12498,"corporation":false,"usgs":true,"family":"Nord","given":"Gordon","suffix":"Jr.","middleInitial":"L.","affiliations":[],"preferred":false,"id":367704,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Phillips, Elizabeth J.P.","contributorId":37475,"corporation":false,"usgs":true,"family":"Phillips","given":"Elizabeth","middleInitial":"J.P.","affiliations":[],"preferred":false,"id":367705,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70014257,"text":"70014257 - 1987 - Real-time landslide warning during heavy rainfall","interactions":[],"lastModifiedDate":"2025-09-24T16:24:47.535765","indexId":"70014257","displayToPublicDate":"1987-11-13T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3338,"text":"Science","active":true,"publicationSubtype":{"id":10}},"title":"Real-time landslide warning during heavy rainfall","docAbstract":"A real-time system for issuing warnings of landslides during major storms is being developed for the San Francisco Bay region, California. The system is based on empirical and theoretical relations between rainfall and landslide initiation, geologic determination of areas susceptible to landslides, real-time monitoring of a regional network of telemetering rain gages, and National Weather Service precipitation forecasts. This system was used to issue warnings during the storms of 12 to 21 February 1986, which produced 800 millimeters of rainfall in the region. Although analysis after the storms suggests that modifications and additional developments are needed, the system successfully predicted the times of major landslide events. It could be used as a prototype for systems in other landslide-prone regions.
","language":"English","publisher":"American Association for the Advancement of Science","doi":"10.1126/science.238.4829.921","issn":"00368075","usgsCitation":"Keefer, D.K., Wilson, R.C., Mark, R.K., Brabb, E.E., Brown, W.M., Ellen, S.D., Harp, E.L., Wieczorek, G.F., Alger, C., and Zatkin, R., 1987, Real-time landslide warning during heavy rainfall: Science, v. 238, no. 4829, p. 921-925, https://doi.org/10.1126/science.238.4829.921.","productDescription":"5 p.","startPage":"921","endPage":"925","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":225562,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","city":"San Francisco","otherGeospatial":"San Francisco Bay region","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -122.6623705324246,\n 37.97712909139146\n ],\n [\n -122.6623705324246,\n 37.37256131063128\n ],\n [\n -121.91451351650927,\n 37.37256131063128\n ],\n [\n -121.91451351650927,\n 37.97712909139146\n ],\n [\n -122.6623705324246,\n 37.97712909139146\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"238","issue":"4829","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a95a5e4b0c8380cd81b4f","contributors":{"authors":[{"text":"Keefer, David K.","contributorId":22405,"corporation":false,"usgs":true,"family":"Keefer","given":"David","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":367954,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wilson, R. C.","contributorId":50889,"corporation":false,"usgs":true,"family":"Wilson","given":"R.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":367960,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mark, R. K.","contributorId":32159,"corporation":false,"usgs":true,"family":"Mark","given":"R.","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":367956,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Brabb, E. E.","contributorId":43780,"corporation":false,"usgs":true,"family":"Brabb","given":"E.","middleInitial":"E.","affiliations":[],"preferred":false,"id":367958,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Brown, W. M. III","contributorId":27060,"corporation":false,"usgs":true,"family":"Brown","given":"W.","suffix":"III","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":367955,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Ellen, S. D.","contributorId":12467,"corporation":false,"usgs":true,"family":"Ellen","given":"S.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":367953,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Harp, E. L.","contributorId":59026,"corporation":false,"usgs":true,"family":"Harp","given":"E.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":367961,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Wieczorek, G. F.","contributorId":50143,"corporation":false,"usgs":true,"family":"Wieczorek","given":"G.","middleInitial":"F.","affiliations":[],"preferred":false,"id":367959,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Alger, C.S.","contributorId":103287,"corporation":false,"usgs":true,"family":"Alger","given":"C.S.","email":"","affiliations":[],"preferred":false,"id":367962,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Zatkin, R.S.","contributorId":35194,"corporation":false,"usgs":true,"family":"Zatkin","given":"R.S.","email":"","affiliations":[],"preferred":false,"id":367957,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}} ,{"id":70170442,"text":"70170442 - 1987 - Effects of wetland channelization of storm runoff in Lambert Creek, Ramsey County, Minnesota","interactions":[],"lastModifiedDate":"2018-03-05T12:12:22","indexId":"70170442","displayToPublicDate":"1987-11-01T15:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Effects of wetland channelization of storm runoff in Lambert Creek, Ramsey County, Minnesota","docAbstract":"No abstract available.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"National Wetlands Symposium of Wetland Hydrology, Chicago, Illinois, September 16-18, 1987 [Proceedings]","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"National Wetlands Symposium of Wetland Hydrology","conferenceDate":"September 16-18, 1987","conferenceLocation":"Chicago, IL","language":"English","usgsCitation":"Brown, R.G., 1987, Effects of wetland channelization of storm runoff in Lambert Creek, Ramsey County, Minnesota, in National Wetlands Symposium of Wetland Hydrology, Chicago, Illinois, September 16-18, 1987 [Proceedings], Chicago, IL, September 16-18, 1987, p. 130-136.","productDescription":"7 p.","startPage":"130","endPage":"136","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":392,"text":"Minnesota Water Science Center","active":true,"usgs":true}],"links":[{"id":320316,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Minnesota","county":"Ramsey County","otherGeospatial":"Lambert Creek","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-93.0207,45.1258],[-92.9838,45.1247],[-92.9875,44.8924],[-92.9978,44.8924],[-93.0191,44.8929],[-93.0229,44.8948],[-93.0294,44.8966],[-93.0357,44.904],[-93.0447,44.9122],[-93.0498,44.9168],[-93.0524,44.9204],[-93.0608,44.9209],[-93.0666,44.921],[-93.0904,44.9215],[-93.0897,44.9251],[-93.0975,44.9252],[-93.0981,44.9215],[-93.1084,44.922],[-93.1271,44.9225],[-93.1297,44.9198],[-93.1342,44.9175],[-93.1375,44.9143],[-93.1426,44.9102],[-93.1504,44.9039],[-93.1556,44.9002],[-93.164,44.8979],[-93.1704,44.8975],[-93.1775,44.8989],[-93.1833,44.8998],[-93.1897,44.9026],[-93.1955,44.904],[-93.1987,44.9085],[-93.2026,44.9122],[-93.2038,44.9145],[-93.2058,44.9172],[-93.2051,44.9209],[-93.2044,44.9263],[-93.2044,44.9305],[-93.2031,44.935],[-93.2037,44.9405],[-93.2044,44.9441],[-93.2063,44.9469],[-93.2062,44.9583],[-93.2059,45.0373],[-93.2272,45.0373],[-93.2262,45.1255],[-93.0207,45.1258]]]},\"properties\":{\"name\":\"Ramsey\",\"state\":\"MN\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5718a83ee4b0ef3b7caba53b","contributors":{"authors":[{"text":"Brown, R. G.","contributorId":106118,"corporation":false,"usgs":true,"family":"Brown","given":"R.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":627221,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70199719,"text":"70199719 - 1987 - Selenium in aquatic organisms from subsurface agricultural drainage water, San Joaquin Valley, California","interactions":[],"lastModifiedDate":"2018-09-26T10:49:52","indexId":"70199719","displayToPublicDate":"1987-11-01T10:49:26","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":887,"text":"Archives of Environmental Contamination and Toxicology","active":true,"publicationSubtype":{"id":10}},"title":"Selenium in aquatic organisms from subsurface agricultural drainage water, San Joaquin Valley, California","docAbstract":"Concentrations of total selenium were high in 1983 in water, sediment, organic detritus, aquatic plants and invertebrates, and mosquitofish (Gambusia affinis) from Kesterson Reservoir (San Joaquin Valley, California) and the San Luis Drain. Selenium concentrations in biota from the Reservoir and Drain (referred to here collectively as “Kesterson”) exceeded 300 (μg/g dry weight in some samples of algae, submerged rooted plants, chironomids, and mosquitofish, and were as high as 440 μg/g dry weight in decomposing detritus. Overall, selenium concentrations in samples from Kesterson averaged about 100-fold higher than those from the Volta Wildlife Area (here termed “Volta”), a nearby site that does not receive subsurface drainage water. Selenium concentrations generally increased from water to sediment to plants to animals. Spatial (geographic) patterns were observed for selenium concentrations in samples from Kesterson, but not in those from Volta. Higher concentrations were usually measured in samples from the San Luis Drain than from the evaporation ponds that comprise Kesterson Reservoir. At Kesterson, concentrations were usually higher in August than in May. The elevated levels of selenium measured in forage organisms from Kesterson are probably toxic to sensitive consumer animals, and may explain recent observations of dead and deformed embryos in eggs of aquatic birds that nest at the Reservoir. The effects of the selenium on fish living in subsurface agricultural drainage water are still poorly understood.
","language":"English","publisher":"Springer-Verlag","doi":"10.1007/BF01055416","usgsCitation":"Saiki, M.K., and Lowe, T.P., 1987, Selenium in aquatic organisms from subsurface agricultural drainage water, San Joaquin Valley, California: Archives of Environmental Contamination and Toxicology, v. 16, no. 6, p. 657-670, https://doi.org/10.1007/BF01055416.","productDescription":"14 p.","startPage":"657","endPage":"670","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":357751,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"San Joaquin Valley","volume":"16","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5c1134ede4b034bf6a827722","contributors":{"authors":[{"text":"Saiki, Michael K.","contributorId":54671,"corporation":false,"usgs":true,"family":"Saiki","given":"Michael","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":746319,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lowe, T. Peter plowe@usgs.gov","contributorId":172500,"corporation":false,"usgs":true,"family":"Lowe","given":"T.","email":"plowe@usgs.gov","middleInitial":"Peter","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":746320,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70231789,"text":"70231789 - 1987 - Small-scale soil maps in the United States as prototypes for handling soils in a global geographic information system","interactions":[],"lastModifiedDate":"2022-05-26T15:25:00.566938","indexId":"70231789","displayToPublicDate":"1987-11-01T10:02:37","publicationYear":"1987","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Small-scale soil maps in the United States as prototypes for handling soils in a global geographic information system","docAbstract":"No abstract available.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"International Geographic Information Systems (IGIS) Symposium: The research agenda","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"International Geographic Information Systems (IGIS) Symposium","conferenceDate":"November 15-18, 1987","conferenceLocation":"Arlington, Virginia, United States","language":"English","publisher":"National Aeronautics and Space Administration","usgsCitation":"Bliss, N.B., and Reybold, W.U., 1987, Small-scale soil maps in the United States as prototypes for handling soils in a global geographic information system, in International Geographic Information Systems (IGIS) Symposium: The research agenda, Arlington, Virginia, United States, November 15-18, 1987, p. I-245-I-256.","productDescription":"12 p.","startPage":"I-245","endPage":"I-256","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":401152,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"MultiPolygon\",\"coordinates\":[[[[-66.28243,18.51476],[-65.7713,18.42668],[-65.591,18.22803],[-65.84716,17.97591],[-66.59993,17.98182],[-67.18416,17.94655],[-67.24243,18.37446],[-67.10068,18.5206],[-66.28243,18.51476]]],[[[-155.54211,19.08348],[-155.68817,18.91619],[-155.93665,19.05939],[-155.90806,19.33888],[-156.07347,19.70294],[-156.02368,19.81422],[-155.85008,19.97729],[-155.91907,20.17395],[-155.86108,20.26721],[-155.78505,20.2487],[-155.40214,20.07975],[-155.22452,19.99302],[-155.06226,19.8591],[-154.80741,19.50871],[-154.83147,19.45328],[-155.22217,19.23972],[-155.54211,19.08348]]],[[[-156.07926,20.64397],[-156.41445,20.57241],[-156.58673,20.783],[-156.70167,20.8643],[-156.71055,20.92676],[-156.61258,21.01249],[-156.25711,20.91745],[-155.99566,20.76404],[-156.07926,20.64397]]],[[[-156.75824,21.17684],[-156.78933,21.06873],[-157.32521,21.09777],[-157.25027,21.21958],[-156.75824,21.17684]]],[[[-157.65283,21.32217],[-157.70703,21.26442],[-157.7786,21.27729],[-158.12667,21.31244],[-158.2538,21.53919],[-158.29265,21.57912],[-158.0252,21.71696],[-157.94161,21.65272],[-157.65283,21.32217]]],[[[-159.34512,21.982],[-159.46372,21.88299],[-159.80051,22.06533],[-159.74877,22.1382],[-159.5962,22.23618],[-159.36569,22.21494],[-159.34512,21.982]]],[[[-94.81758,49.38905],[-94.64,48.84],[-94.32914,48.67074],[-93.63087,48.60926],[-92.61,48.45],[-91.64,48.14],[-90.83,48.27],[-89.6,48.01],[-89.27292,48.01981],[-88.37811,48.30292],[-87.43979,47.94],[-86.46199,47.55334],[-85.65236,47.22022],[-84.87608,46.90008],[-84.77924,46.6371],[-84.54375,46.53868],[-84.6049,46.4396],[-84.3367,46.40877],[-84.14212,46.51223],[-84.09185,46.27542],[-83.89077,46.11693],[-83.61613,46.11693],[-83.46955,45.99469],[-83.59285,45.81689],[-82.55092,45.34752],[-82.33776,44.44],[-82.13764,43.57109],[-82.43,42.98],[-82.9,42.43],[-83.12,42.08],[-83.142,41.97568],[-83.02981,41.8328],[-82.69009,41.67511],[-82.43928,41.67511],[-81.27775,42.20903],[-80.24745,42.3662],[-78.93936,42.86361],[-78.92,42.965],[-79.01,43.27],[-79.17167,43.46634],[-78.72028,43.62509],[-77.73789,43.62906],[-76.82003,43.62878],[-76.5,44.01846],[-76.375,44.09631],[-75.31821,44.81645],[-74.867,45.00048],[-73.34783,45.00738],[-71.50506,45.0082],[-71.405,45.255],[-71.08482,45.30524],[-70.66,45.46],[-70.305,45.915],[-69.99997,46.69307],[-69.23722,47.44778],[-68.905,47.185],[-68.23444,47.35486],[-67.79046,47.06636],[-67.79134,45.70281],[-67.13741,45.13753],[-66.96466,44.8097],[-68.03252,44.3252],[-69.06,43.98],[-70.11617,43.68405],[-70.64548,43.09024],[-70.81489,42.8653],[-70.825,42.335],[-70.495,41.805],[-70.08,41.78],[-70.185,42.145],[-69.88497,41.92283],[-69.96503,41.63717],[-70.64,41.475],[-71.12039,41.49445],[-71.86,41.32],[-72.295,41.27],[-72.87643,41.22065],[-73.71,40.9311],[-72.24126,41.11948],[-71.945,40.93],[-73.345,40.63],[-73.982,40.628],[-73.95232,40.75075],[-74.25671,40.47351],[-73.96244,40.42763],[-74.17838,39.70926],[-74.90604,38.93954],[-74.98041,39.1964],[-75.20002,39.24845],[-75.52805,39.4985],[-75.32,38.96],[-75.07183,38.78203],[-75.05673,38.40412],[-75.37747,38.01551],[-75.94023,37.21689],[-76.03127,37.2566],[-75.72205,37.93705],[-76.23287,38.31921],[-76.35,39.15],[-76.54272,38.71762],[-76.32933,38.08326],[-76.99,38.23999],[-76.30162,37.91794],[-76.25874,36.9664],[-75.9718,36.89726],[-75.86804,36.55125],[-75.72749,35.55074],[-76.36318,34.80854],[-77.39763,34.51201],[-78.05496,33.92547],[-78.55435,33.86133],[-79.06067,33.49395],[-79.20357,33.15839],[-80.30132,32.50935],[-80.86498,32.0333],[-81.33629,31.44049],[-81.49042,30.72999],[-81.31371,30.03552],[-80.98,29.18],[-80.53558,28.47213],[-80.53,28.04],[-80.05654,26.88],[-80.08801,26.20576],[-80.13156,25.81677],[-80.38103,25.20616],[-80.68,25.08],[-81.17213,25.20126],[-81.33,25.64],[-81.71,25.87],[-82.24,26.73],[-82.70515,27.49504],[-82.85526,27.88624],[-82.65,28.55],[-82.93,29.1],[-83.70959,29.93656],[-84.1,30.09],[-85.10882,29.63615],[-85.28784,29.68612],[-85.7731,30.15261],[-86.4,30.4],[-87.53036,30.27433],[-88.41782,30.3849],[-89.18049,30.31598],[-89.59383,30.15999],[-89.41373,29.89419],[-89.43,29.48864],[-89.21767,29.29108],[-89.40823,29.15961],[-89.77928,29.30714],[-90.15463,29.11743],[-90.88022,29.14854],[-91.62678,29.677],[-92.49906,29.5523],[-93.22637,29.78375],[-93.84842,29.71363],[-94.69,29.48],[-95.60026,28.73863],[-96.59404,28.30748],[-97.14,27.83],[-97.37,27.38],[-97.38,26.69],[-97.33,26.21],[-97.14,25.87],[-97.53,25.84],[-98.24,26.06],[-99.02,26.37],[-99.3,26.84],[-99.52,27.54],[-100.11,28.11],[-100.45584,28.69612],[-100.9576,29.38071],[-101.6624,29.7793],[-102.48,29.76],[-103.11,28.97],[-103.94,29.27],[-104.45697,29.57196],[-104.70575,30.12173],[-105.03737,30.64402],[-105.63159,31.08383],[-106.1429,31.39995],[-106.50759,31.75452],[-108.24,31.75485],[-108.24194,31.34222],[-109.035,31.34194],[-111.02361,31.33472],[-113.30498,32.03914],[-114.815,32.52528],[-114.72139,32.72083],[-115.99135,32.61239],[-117.12776,32.53534],[-117.29594,33.04622],[-117.944,33.62124],[-118.4106,33.74091],[-118.51989,34.02778],[-119.081,34.078],[-119.43884,34.34848],[-120.36778,34.44711],[-120.62286,34.60855],[-120.74433,35.15686],[-121.71457,36.16153],[-122.54747,37.55176],[-122.51201,37.78339],[-122.95319,38.11371],[-123.7272,38.95166],[-123.86517,39.76699],[-124.39807,40.3132],[-124.17886,41.14202],[-124.2137,41.99964],[-124.53284,42.76599],[-124.14214,43.70838],[-124.02053,44.6159],[-123.89893,45.52341],[-124.07963,46.86475],[-124.39567,47.72017],[-124.68721,48.18443],[-124.5661,48.37971],[-123.12,48.04],[-122.58736,47.096],[-122.34,47.36],[-122.5,48.18],[-122.84,49],[-120,49],[-117.03121,49],[-116.04818,49],[-113,49],[-110.05,49],[-107.05,49],[-104.04826,48.99986],[-100.65,49],[-97.22872,49.0007],[-95.15907,49],[-95.15609,49.38425],[-94.81758,49.38905]]],[[[-153.00631,57.11584],[-154.00509,56.73468],[-154.5164,56.99275],[-154.67099,57.4612],[-153.76278,57.81657],[-153.22873,57.96897],[-152.56479,57.90143],[-152.14115,57.59106],[-153.00631,57.11584]]],[[[-165.57916,59.90999],[-166.19277,59.75444],[-166.84834,59.94141],[-167.45528,60.21307],[-166.46779,60.38417],[-165.67443,60.29361],[-165.57916,59.90999]]],[[[-171.73166,63.78252],[-171.11443,63.59219],[-170.49111,63.69498],[-169.68251,63.43112],[-168.68944,63.29751],[-168.77194,63.1886],[-169.52944,62.97693],[-170.29056,63.19444],[-170.67139,63.37582],[-171.55306,63.31779],[-171.79111,63.40585],[-171.73166,63.78252]]],[[[-155.06779,71.14778],[-154.34417,70.69641],[-153.90001,70.88999],[-152.21001,70.82999],[-152.27,70.60001],[-150.73999,70.43002],[-149.72,70.53001],[-147.61336,70.21403],[-145.68999,70.12001],[-144.92001,69.98999],[-143.58945,70.15251],[-142.07251,69.85194],[-140.98599,69.712],[-140.9925,66.00003],[-140.99777,60.3064],[-140.013,60.27684],[-139.039,60.00001],[-138.34089,59.56211],[-137.4525,58.905],[-136.47972,59.46389],[-135.47583,59.78778],[-134.945,59.27056],[-134.27111,58.86111],[-133.35555,58.41029],[-132.73042,57.69289],[-131.70781,56.55212],[-130.00778,55.91583],[-129.97999,55.285],[-130.53611,54.80275],[-131.08582,55.17891],[-131.96721,55.49778],[-132.25001,56.37],[-133.53918,57.17889],[-134.07806,58.12307],[-135.03821,58.18771],[-136.62806,58.21221],[-137.80001,58.5],[-139.86779,59.53776],[-140.82527,59.72752],[-142.57444,60.08445],[-143.95888,59.99918],[-145.92556,60.45861],[-147.11437,60.88466],[-148.22431,60.67299],[-148.01807,59.97833],[-148.57082,59.91417],[-149.72786,59.70566],[-150.60824,59.36821],[-151.71639,59.15582],[-151.85943,59.74498],[-151.40972,60.7258],[-150.34694,61.03359],[-150.62111,61.28442],[-151.89584,60.7272],[-152.57833,60.06166],[-154.01917,59.35028],[-153.28751,58.86473],[-154.23249,58.14637],[-155.30749,57.72779],[-156.30833,57.42277],[-156.5561,56.97998],[-158.11722,56.46361],[-158.43332,55.99415],[-159.60333,55.56669],[-160.28972,55.64358],[-161.22305,55.36473],[-162.23777,55.02419],[-163.06945,54.68974],[-164.78557,54.40417],[-164.94223,54.57222],[-163.84834,55.03943],[-162.87,55.34804],[-161.80417,55.89499],[-160.5636,56.00805],[-160.07056,56.41806],[-158.68444,57.01668],[-158.4611,57.21692],[-157.72277,57.57],[-157.55027,58.32833],[-157.04167,58.91888],[-158.19473,58.6158],[-158.51722,58.78778],[-159.05861,58.42419],[-159.71167,58.93139],[-159.98129,58.57255],[-160.35527,59.07112],[-161.355,58.67084],[-161.96889,58.67166],[-162.05499,59.26693],[-161.87417,59.63362],[-162.51806,59.98972],[-163.81834,59.79806],[-164.66222,60.26748],[-165.34639,60.5075],[-165.35083,61.0739],[-166.12138,61.50002],[-165.73445,62.075],[-164.91918,62.63308],[-164.56251,63.14638],[-163.75333,63.21945],[-163.06722,63.05946],[-162.26056,63.54194],[-161.53445,63.45582],[-160.77251,63.76611],[-160.95834,64.2228],[-161.51807,64.40279],[-160.77778,64.7886],[-161.39193,64.77724],[-162.45305,64.55944],[-162.75779,64.33861],[-163.54639,64.55916],[-164.96083,64.44695],[-166.42529,64.68667],[-166.845,65.0889],[-168.11056,65.67],[-166.70527,66.08832],[-164.47471,66.57666],[-163.65251,66.57666],[-163.7886,66.07721],[-161.67777,66.11612],[-162.48971,66.73557],[-163.71972,67.11639],[-164.43099,67.61634],[-165.39029,68.04277],[-166.76444,68.35888],[-166.20471,68.88303],[-164.43081,68.91554],[-163.16861,69.37111],[-162.93057,69.85806],[-161.9089,70.33333],[-160.9348,70.44769],[-159.03918,70.89164],[-158.11972,70.82472],[-156.58082,71.35776],[-155.06779,71.14778]]]]},\"properties\":{\"name\":\"United States\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Bliss, Norman B. 0000-0003-2409-5211 bliss@usgs.gov","orcid":"https://orcid.org/0000-0003-2409-5211","contributorId":1921,"corporation":false,"usgs":true,"family":"Bliss","given":"Norman","email":"bliss@usgs.gov","middleInitial":"B.","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true},{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"preferred":true,"id":843836,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reybold, William U.","contributorId":93496,"corporation":false,"usgs":true,"family":"Reybold","given":"William","email":"","middleInitial":"U.","affiliations":[],"preferred":false,"id":843837,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70185546,"text":"70185546 - 1987 - Laboratory investigation of longitudinal dispersion in anisotropic porous media","interactions":[],"lastModifiedDate":"2020-01-18T10:59:40","indexId":"70185546","displayToPublicDate":"1987-11-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Laboratory investigation of longitudinal dispersion in anisotropic porous media","docAbstract":"In this study, laboratory experiments were used to investigate mechanisms that may cause anisotropy in the dispersion coefficient and to investigate the relation between anisotropy in hydraulic conductivity and anisotropy in longitudinal dispersion. Measurements of sodium chloride concentration (used as a tracer) were made at 105 in situ sampling locations in a new type of sand box designed to allow flow in either of two perpendicular directions. Two types of hydraulic anisotropy were examined. The first consisted of structured zones of increased hydraulic conductivity within a lower-conductivity medium. The second type involved low-conductivity platelike inclusions within a homogeneous, isotropic medium. The plates were aligned such that the tortuosity was increased only in one principal direction of permeability. Results using two examples of the first type of media showed that the apparent longitudinal dispersivities for flow parallel to the high-conductivity direction were greater than those perpendicular to this direction. Two examples of the second type of media produced smaller apparent longitudinal dispersivities for flow parallel to the high-conductivity direction. The results suggest that the mechanisms causing dispersive anisotropy can be related, conceptually, to the factors causing hydraulic anisotropy.
","language":"English","publisher":"American Geophysical Union","doi":"10.1029/WR023i011p02145","usgsCitation":"Silliman, S.E., Konikow, L.F., and Voss, C., 1987, Laboratory investigation of longitudinal dispersion in anisotropic porous media: Water Resources Research, v. 23, no. 11, p. 2145-2151, https://doi.org/10.1029/WR023i011p02145.","productDescription":"7 p. ","startPage":"2145","endPage":"2151","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":338193,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"23","issue":"11","noUsgsAuthors":false,"publicationDate":"2010-07-09","publicationStatus":"PW","scienceBaseUri":"58d4df0ae4b05ec79911d1da","contributors":{"authors":[{"text":"Silliman, Stephen E.","contributorId":72130,"corporation":false,"usgs":false,"family":"Silliman","given":"Stephen","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":685923,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Konikow, Leonard F. 0000-0002-0940-3856 lkonikow@usgs.gov","orcid":"https://orcid.org/0000-0002-0940-3856","contributorId":158,"corporation":false,"usgs":true,"family":"Konikow","given":"Leonard","email":"lkonikow@usgs.gov","middleInitial":"F.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"preferred":true,"id":685924,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Voss, C.I.","contributorId":79515,"corporation":false,"usgs":true,"family":"Voss","given":"C.I.","email":"","affiliations":[],"preferred":false,"id":685925,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":1003155,"text":"1003155 - 1987 - Toxicity of TFM lampricide to early life stages of walleye","interactions":[],"lastModifiedDate":"2025-03-31T16:16:19.366812","indexId":"1003155","displayToPublicDate":"1987-10-02T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2886,"text":"North American Journal of Fisheries Management","active":true,"publicationSubtype":{"id":10}},"title":"Toxicity of TFM lampricide to early life stages of walleye","docAbstract":"We studied the effects of the lampricide 3-trifluoromethyl-4-nitrophenol (TFM) on gametes, newly fertilized eggs, eyed eggs, larvae, and swim-up fry of the walleye Stizostedion vitreum. When gametes from sexually mature walleyes were stripped into solutions of TFM, no effects were observed during the fertilization process at concentrations up to 3.0 mg/L—three times the concentration lethal to 99.9% of larval sea lampreys Petromyzon marinus held 12 h (LC99.9) under the same test conditions. Newly fertilized eggs likewise were unaffected during water hardening by concentrations of TFM that were lethal to sea lamprey ammocoetes. Eyed eggs, sac fry, and swim-up fry yielded LC25 values that were 2.5 to 5 times greater than the 12-h LC99.9 for sea lamprey ammocoetes. The data thus indicated that all of the early life stages of walleyes tested were considerably more resistant than sea lamprey ammocoetes to TFM, and that it is unlikely they would be adversely affected by standard stream treatments to kill sea lamprey ammocoetes.
","language":"English","publisher":"Wiley","doi":"10.1577/1548-8659(1987)7<598:TOTLTE>2.0.CO;2","usgsCitation":"Seelye, J., 1987, Toxicity of TFM lampricide to early life stages of walleye: North American Journal of Fisheries Management, v. 7, no. 4, p. 598-601, https://doi.org/10.1577/1548-8659(1987)7<598:TOTLTE>2.0.CO;2.","productDescription":"4 p.","startPage":"598","endPage":"601","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"links":[{"id":198266,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"7","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49f8e4b07f02db5f268f","contributors":{"authors":[{"text":"Seelye, J.G.","contributorId":32861,"corporation":false,"usgs":true,"family":"Seelye","given":"J.G.","affiliations":[],"preferred":false,"id":312844,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":1003458,"text":"1003458 - 1987 - Minimum tailwater flows in relation to habitat suitability and sport-fish harvest","interactions":[],"lastModifiedDate":"2025-03-31T16:06:42.621036","indexId":"1003458","displayToPublicDate":"1987-10-02T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2886,"text":"North American Journal of Fisheries Management","active":true,"publicationSubtype":{"id":10}},"title":"Minimum tailwater flows in relation to habitat suitability and sport-fish harvest","docAbstract":"The instream flow needs of four sport fishes (rainbow trout Salmo gairdneri, channel catfish Ictalurus punctatus, smallmouth bass Micropterus dolomieui, and white crappie Pomoxis annularis) were evaluated in the tailwater below Green River Lake, Kentucky. The Newcombe method, a simple procedure developed in British Columbia that is based on the distribution of water depths and velocities at various flows, was used to predict usable habitat at seven flows. Predicted usable habitat was two to six times greater for rainbow trout than for any of the other species at all flows. Angler harvest corresponded to the predicted abundance for rainbow trout and smallmouth bass, but the catch of channel catfish and white crappies was seasonally greater than expected. The presence of the dam and reservoir apparently disrupted the normal movement and feeding patterns of these species and periodically overrode the relation between usable habitat and abundance assumed in the Newcombe method. The year-round minimum flow of 4.6 m 3/s recommended for the tailwater would generally increase the amount of habitat available in the tailwater from April through October, and the minimum flow of 2.4 m3/s recommended for periods of drought would allow the maintenance of a trout fishery.
","language":"English","publisher":"American Fisheries Society","doi":"10.1577/1548-8659(1987)7<569:MTFIRT>2.0.CO;2","usgsCitation":"Jacobs, K., Swink, W., and Novotny, J., 1987, Minimum tailwater flows in relation to habitat suitability and sport-fish harvest: North American Journal of Fisheries Management, v. 7, no. 4, p. 569-574, https://doi.org/10.1577/1548-8659(1987)7<569:MTFIRT>2.0.CO;2.","productDescription":"6 p.","startPage":"569","endPage":"574","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true},{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"links":[{"id":134217,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Kentucky","otherGeospatial":"Green River Lake","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -85.44685363769531,\n 37.12857106113289\n ],\n [\n -85.44685363769531,\n 37.37670527881838\n ],\n [\n -85.10833740234374,\n 37.37670527881838\n ],\n [\n -85.10833740234374,\n 37.12857106113289\n ],\n [\n -85.44685363769531,\n 37.12857106113289\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"7","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699d08","contributors":{"authors":[{"text":"Jacobs, K.E.","contributorId":57813,"corporation":false,"usgs":true,"family":"Jacobs","given":"K.E.","email":"","affiliations":[],"preferred":false,"id":313305,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Swink, W.D.","contributorId":66200,"corporation":false,"usgs":true,"family":"Swink","given":"W.D.","affiliations":[],"preferred":false,"id":313306,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Novotny, J.F.","contributorId":95856,"corporation":false,"usgs":true,"family":"Novotny","given":"J.F.","email":"","affiliations":[],"preferred":false,"id":313307,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70121634,"text":"70121634 - 1987 - Geomys bursars burrowing patterns: influence of season and food patch structure","interactions":[],"lastModifiedDate":"2023-12-18T15:54:08.602619","indexId":"70121634","displayToPublicDate":"1987-10-01T16:02:33","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1465,"text":"Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Geomys bursars burrowing patterns: influence of season and food patch structure","docAbstract":"The relationship between belowground food resources and the pattern and pace of soil excavation by Geomys bursarius, the plains pocket gopher, was assessed during spring and autumn using replicated 18 x 18 m enclosures containing uniform arrays of food plants (Daucus carota) at spacings assumed to result in burrowing being energetically profitable (25 and 50 cm) or unprofitable (100 cm and empty). Soil excavation rate, measured in terms of either daily additions to tunnel length or volume, or the maximum volume excavated during a 3—d interval, varied greatly among individuals. No significant effect due to season or density of belowground plant biomass was detected when burrowing was profitable. Individuals readily initiated aboveground travel in unprofitable treatments. Soil bulk density was negatively related and animal body mass positively related to excavation rate. Individuals deposited from 41 to 87% of excavated soil on the ground surface; the remainder was used to backfill previously created tunnels or chambers. Plant size, but not plant spacing, affected the ratio of the volumes deposited aboveground and belowground. There was no evidence that animals in enclosures disturbed soil in a manner quantitatively or qualitatively different from free—ranging adults. The large proportions and absolute quantities (up to 30 L/d) of soil involved suggest that backfilling may affect ecosystem structure and functioning as much as surface mound—building.
","language":"English","publisher":"Ecological Society of America","doi":"10.2307/1939215","usgsCitation":"Andersen, D., 1987, Geomys bursars burrowing patterns: influence of season and food patch structure: Ecology, v. 68, no. 5, p. 1306-1318, https://doi.org/10.2307/1939215.","productDescription":"13 p.","startPage":"1306","endPage":"1318","numberOfPages":"13","costCenters":[],"links":[{"id":292913,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"68","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53f85943e4b03f038c5c173e","contributors":{"authors":[{"text":"Andersen, Douglas C. doug_andersen@usgs.gov","contributorId":2216,"corporation":false,"usgs":true,"family":"Andersen","given":"Douglas C.","email":"doug_andersen@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":false,"id":499241,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70221497,"text":"70221497 - 1987 - Dinosaurs, spherules, and the “magic” layer: A new K-T boundary clay site in Wyoming","interactions":[],"lastModifiedDate":"2021-06-21T11:49:16.848652","indexId":"70221497","displayToPublicDate":"1987-10-01T13:54:54","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1796,"text":"Geology","active":true,"publicationSubtype":{"id":10}},"title":"Dinosaurs, spherules, and the “magic” layer: A new K-T boundary clay site in Wyoming","docAbstract":"A new Cretaceous-Tertiary (K-T) boundary clay site has been found along Dogie Creek in Wyoming in the drainage of Lance Creek—the type area of the Lance Formation of latest Cretaceous age. The boundary clay was discovered in the uppermost part of the Lance Formation, 4–7 cm beneath the lowest lignite in the Paleocene Fort Union Formation and approximately 1 m above a fragmented dinosaur bone.
The boundary clay consists of a basal kaolinitic claystone layer as much as 3 cm thick containing hollow goyazite spherules, overlain by a 2–3 mm smectitic layer (the “magic” layer) containing both shock-metamorphosed minerals and an iridium anomaly of 21 ppb. A palynological break coincides with the base of the claystone layer; numerous Late Cretaceous palynomorph species terminate at this boundary.
The paleontological significance of this new boundary site lies in its close association with the well-studied assemblage of dinosaurs and other vertebrates and flora within the type area of the Lance Formation. The spherules at the Dogie Creek site are extremely well preserved by virtue of their replacement by the mineral goyazite. This preservation should facilitate the resolution of the origin of the spherules and of their host layer.
","language":"English","publisher":"Geological Society of America","doi":"10.1130/0091-7613(1987)15<896:DSATML>2.0.CO;2","usgsCitation":"Bohor, B., Triplehorn, D.M., Nichols, D.J., and Millard, H.T., 1987, Dinosaurs, spherules, and the “magic” layer: A new K-T boundary clay site in Wyoming: Geology, v. 15, no. 10, p. 896-899, https://doi.org/10.1130/0091-7613(1987)15<896:DSATML>2.0.CO;2.","productDescription":"4 p.","startPage":"896","endPage":"899","costCenters":[],"links":[{"id":386587,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Wyoming","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -107.314453125,\n 41.11246878918088\n ],\n [\n -104.19433593749999,\n 41.11246878918088\n ],\n [\n -104.19433593749999,\n 43.068887774169625\n ],\n [\n -107.314453125,\n 43.068887774169625\n ],\n [\n -107.314453125,\n 41.11246878918088\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"15","issue":"10","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Bohor, B.F.","contributorId":96351,"corporation":false,"usgs":true,"family":"Bohor","given":"B.F.","email":"","affiliations":[],"preferred":false,"id":817868,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Triplehorn, Don M.","contributorId":73211,"corporation":false,"usgs":false,"family":"Triplehorn","given":"Don","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":817869,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nichols, Douglas J.","contributorId":87184,"corporation":false,"usgs":true,"family":"Nichols","given":"Douglas","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":817870,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Millard, Hugh T. Jr.","contributorId":67502,"corporation":false,"usgs":true,"family":"Millard","given":"Hugh","suffix":"Jr.","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":817871,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70014247,"text":"70014247 - 1987 - Taphonomy and paleoecology of nonmarine Mollusca; indicators of alluvial plain lacustrine sedimentation, upper part of the Tongue River Member, Fort Union Formation (Paleocene), northern Powder River basin, Wyoming and Montana","interactions":[],"lastModifiedDate":"2025-03-12T16:16:42.471988","indexId":"70014247","displayToPublicDate":"1987-10-01T00:00:00","publicationYear":"1987","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3000,"text":"Palaios","active":true,"publicationSubtype":{"id":10}},"title":"Taphonomy and paleoecology of nonmarine Mollusca; indicators of alluvial plain lacustrine sedimentation, upper part of the Tongue River Member, Fort Union Formation (Paleocene), northern Powder River basin, Wyoming and Montana","docAbstract":"No abstract available.
","language":"English","publisher":"GeoScienceWorld","doi":"10.2307/3514619","usgsCitation":"Hanley, J.H., and Flores, R.M., 1987, Taphonomy and paleoecology of nonmarine Mollusca; indicators of alluvial plain lacustrine sedimentation, upper part of the Tongue River Member, Fort Union Formation (Paleocene), northern Powder River basin, Wyoming and Montana: Palaios, v. 2, no. 5, p. 479-496, https://doi.org/10.2307/3514619.","productDescription":"18 p.","startPage":"479","endPage":"496","costCenters":[],"links":[{"id":225430,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Montana, Wyoming","otherGeospatial":"northern Powder River basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -106.72480521101642,\n 45.743943652181656\n ],\n [\n -106.72480521101642,\n 43.86795445043808\n ],\n [\n -105.1559457955348,\n 43.86795445043808\n ],\n [\n -105.1559457955348,\n 45.743943652181656\n ],\n [\n -106.72480521101642,\n 45.743943652181656\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"2","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505ba3dde4b08c986b31ff3d","contributors":{"authors":[{"text":"Hanley, John H.","contributorId":15620,"corporation":false,"usgs":true,"family":"Hanley","given":"John","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":367935,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Flores, Romeo M. rflores@usgs.gov","contributorId":71984,"corporation":false,"usgs":true,"family":"Flores","given":"Romeo","email":"rflores@usgs.gov","middleInitial":"M.","affiliations":[{"id":165,"text":"Central Energy Resources Team","active":false,"usgs":true}],"preferred":false,"id":367936,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ]}